1 /* 2 * ARM Versatile Express emulation. 3 * 4 * Copyright (c) 2010 - 2011 B Labs Ltd. 5 * Copyright (c) 2011 Linaro Limited 6 * Written by Bahadir Balban, Amit Mahajan, Peter Maydell 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, see <http://www.gnu.org/licenses/>. 19 * 20 * Contributions after 2012-01-13 are licensed under the terms of the 21 * GNU GPL, version 2 or (at your option) any later version. 22 */ 23 24 #include "qemu/osdep.h" 25 #include "hw/sysbus.h" 26 #include "hw/arm/arm.h" 27 #include "hw/arm/primecell.h" 28 #include "hw/devices.h" 29 #include "net/net.h" 30 #include "sysemu/sysemu.h" 31 #include "hw/boards.h" 32 #include "hw/loader.h" 33 #include "exec/address-spaces.h" 34 #include "sysemu/block-backend.h" 35 #include "hw/block/flash.h" 36 #include "sysemu/device_tree.h" 37 #include "qemu/error-report.h" 38 #include <libfdt.h> 39 40 #define VEXPRESS_BOARD_ID 0x8e0 41 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024) 42 #define VEXPRESS_FLASH_SECT_SIZE (256 * 1024) 43 44 /* Number of virtio transports to create (0..8; limited by 45 * number of available IRQ lines). 46 */ 47 #define NUM_VIRTIO_TRANSPORTS 4 48 49 /* Address maps for peripherals: 50 * the Versatile Express motherboard has two possible maps, 51 * the "legacy" one (used for A9) and the "Cortex-A Series" 52 * map (used for newer cores). 53 * Individual daughterboards can also have different maps for 54 * their peripherals. 55 */ 56 57 enum { 58 VE_SYSREGS, 59 VE_SP810, 60 VE_SERIALPCI, 61 VE_PL041, 62 VE_MMCI, 63 VE_KMI0, 64 VE_KMI1, 65 VE_UART0, 66 VE_UART1, 67 VE_UART2, 68 VE_UART3, 69 VE_WDT, 70 VE_TIMER01, 71 VE_TIMER23, 72 VE_SERIALDVI, 73 VE_RTC, 74 VE_COMPACTFLASH, 75 VE_CLCD, 76 VE_NORFLASH0, 77 VE_NORFLASH1, 78 VE_NORFLASHALIAS, 79 VE_SRAM, 80 VE_VIDEORAM, 81 VE_ETHERNET, 82 VE_USB, 83 VE_DAPROM, 84 VE_VIRTIO, 85 }; 86 87 static hwaddr motherboard_legacy_map[] = { 88 [VE_NORFLASHALIAS] = 0, 89 /* CS7: 0x10000000 .. 0x10020000 */ 90 [VE_SYSREGS] = 0x10000000, 91 [VE_SP810] = 0x10001000, 92 [VE_SERIALPCI] = 0x10002000, 93 [VE_PL041] = 0x10004000, 94 [VE_MMCI] = 0x10005000, 95 [VE_KMI0] = 0x10006000, 96 [VE_KMI1] = 0x10007000, 97 [VE_UART0] = 0x10009000, 98 [VE_UART1] = 0x1000a000, 99 [VE_UART2] = 0x1000b000, 100 [VE_UART3] = 0x1000c000, 101 [VE_WDT] = 0x1000f000, 102 [VE_TIMER01] = 0x10011000, 103 [VE_TIMER23] = 0x10012000, 104 [VE_VIRTIO] = 0x10013000, 105 [VE_SERIALDVI] = 0x10016000, 106 [VE_RTC] = 0x10017000, 107 [VE_COMPACTFLASH] = 0x1001a000, 108 [VE_CLCD] = 0x1001f000, 109 /* CS0: 0x40000000 .. 0x44000000 */ 110 [VE_NORFLASH0] = 0x40000000, 111 /* CS1: 0x44000000 .. 0x48000000 */ 112 [VE_NORFLASH1] = 0x44000000, 113 /* CS2: 0x48000000 .. 0x4a000000 */ 114 [VE_SRAM] = 0x48000000, 115 /* CS3: 0x4c000000 .. 0x50000000 */ 116 [VE_VIDEORAM] = 0x4c000000, 117 [VE_ETHERNET] = 0x4e000000, 118 [VE_USB] = 0x4f000000, 119 }; 120 121 static hwaddr motherboard_aseries_map[] = { 122 [VE_NORFLASHALIAS] = 0, 123 /* CS0: 0x08000000 .. 0x0c000000 */ 124 [VE_NORFLASH0] = 0x08000000, 125 /* CS4: 0x0c000000 .. 0x10000000 */ 126 [VE_NORFLASH1] = 0x0c000000, 127 /* CS5: 0x10000000 .. 0x14000000 */ 128 /* CS1: 0x14000000 .. 0x18000000 */ 129 [VE_SRAM] = 0x14000000, 130 /* CS2: 0x18000000 .. 0x1c000000 */ 131 [VE_VIDEORAM] = 0x18000000, 132 [VE_ETHERNET] = 0x1a000000, 133 [VE_USB] = 0x1b000000, 134 /* CS3: 0x1c000000 .. 0x20000000 */ 135 [VE_DAPROM] = 0x1c000000, 136 [VE_SYSREGS] = 0x1c010000, 137 [VE_SP810] = 0x1c020000, 138 [VE_SERIALPCI] = 0x1c030000, 139 [VE_PL041] = 0x1c040000, 140 [VE_MMCI] = 0x1c050000, 141 [VE_KMI0] = 0x1c060000, 142 [VE_KMI1] = 0x1c070000, 143 [VE_UART0] = 0x1c090000, 144 [VE_UART1] = 0x1c0a0000, 145 [VE_UART2] = 0x1c0b0000, 146 [VE_UART3] = 0x1c0c0000, 147 [VE_WDT] = 0x1c0f0000, 148 [VE_TIMER01] = 0x1c110000, 149 [VE_TIMER23] = 0x1c120000, 150 [VE_VIRTIO] = 0x1c130000, 151 [VE_SERIALDVI] = 0x1c160000, 152 [VE_RTC] = 0x1c170000, 153 [VE_COMPACTFLASH] = 0x1c1a0000, 154 [VE_CLCD] = 0x1c1f0000, 155 }; 156 157 /* Structure defining the peculiarities of a specific daughterboard */ 158 159 typedef struct VEDBoardInfo VEDBoardInfo; 160 161 typedef struct { 162 MachineClass parent; 163 VEDBoardInfo *daughterboard; 164 } VexpressMachineClass; 165 166 typedef struct { 167 MachineState parent; 168 bool secure; 169 } VexpressMachineState; 170 171 #define TYPE_VEXPRESS_MACHINE "vexpress" 172 #define TYPE_VEXPRESS_A9_MACHINE MACHINE_TYPE_NAME("vexpress-a9") 173 #define TYPE_VEXPRESS_A15_MACHINE MACHINE_TYPE_NAME("vexpress-a15") 174 #define VEXPRESS_MACHINE(obj) \ 175 OBJECT_CHECK(VexpressMachineState, (obj), TYPE_VEXPRESS_MACHINE) 176 #define VEXPRESS_MACHINE_GET_CLASS(obj) \ 177 OBJECT_GET_CLASS(VexpressMachineClass, obj, TYPE_VEXPRESS_MACHINE) 178 #define VEXPRESS_MACHINE_CLASS(klass) \ 179 OBJECT_CLASS_CHECK(VexpressMachineClass, klass, TYPE_VEXPRESS_MACHINE) 180 181 typedef void DBoardInitFn(const VexpressMachineState *machine, 182 ram_addr_t ram_size, 183 const char *cpu_model, 184 qemu_irq *pic); 185 186 struct VEDBoardInfo { 187 struct arm_boot_info bootinfo; 188 const hwaddr *motherboard_map; 189 hwaddr loader_start; 190 const hwaddr gic_cpu_if_addr; 191 uint32_t proc_id; 192 uint32_t num_voltage_sensors; 193 const uint32_t *voltages; 194 uint32_t num_clocks; 195 const uint32_t *clocks; 196 DBoardInitFn *init; 197 }; 198 199 static void init_cpus(const char *cpu_model, const char *privdev, 200 hwaddr periphbase, qemu_irq *pic, bool secure) 201 { 202 ObjectClass *cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, cpu_model); 203 DeviceState *dev; 204 SysBusDevice *busdev; 205 int n; 206 207 if (!cpu_oc) { 208 fprintf(stderr, "Unable to find CPU definition\n"); 209 exit(1); 210 } 211 212 /* Create the actual CPUs */ 213 for (n = 0; n < smp_cpus; n++) { 214 Object *cpuobj = object_new(object_class_get_name(cpu_oc)); 215 216 if (!secure) { 217 object_property_set_bool(cpuobj, false, "has_el3", NULL); 218 } 219 220 if (object_property_find(cpuobj, "reset-cbar", NULL)) { 221 object_property_set_int(cpuobj, periphbase, 222 "reset-cbar", &error_abort); 223 } 224 object_property_set_bool(cpuobj, true, "realized", &error_fatal); 225 } 226 227 /* Create the private peripheral devices (including the GIC); 228 * this must happen after the CPUs are created because a15mpcore_priv 229 * wires itself up to the CPU's generic_timer gpio out lines. 230 */ 231 dev = qdev_create(NULL, privdev); 232 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); 233 qdev_init_nofail(dev); 234 busdev = SYS_BUS_DEVICE(dev); 235 sysbus_mmio_map(busdev, 0, periphbase); 236 237 /* Interrupts [42:0] are from the motherboard; 238 * [47:43] are reserved; [63:48] are daughterboard 239 * peripherals. Note that some documentation numbers 240 * external interrupts starting from 32 (because there 241 * are internal interrupts 0..31). 242 */ 243 for (n = 0; n < 64; n++) { 244 pic[n] = qdev_get_gpio_in(dev, n); 245 } 246 247 /* Connect the CPUs to the GIC */ 248 for (n = 0; n < smp_cpus; n++) { 249 DeviceState *cpudev = DEVICE(qemu_get_cpu(n)); 250 251 sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); 252 sysbus_connect_irq(busdev, n + smp_cpus, 253 qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); 254 } 255 } 256 257 static void a9_daughterboard_init(const VexpressMachineState *vms, 258 ram_addr_t ram_size, 259 const char *cpu_model, 260 qemu_irq *pic) 261 { 262 MemoryRegion *sysmem = get_system_memory(); 263 MemoryRegion *ram = g_new(MemoryRegion, 1); 264 MemoryRegion *lowram = g_new(MemoryRegion, 1); 265 ram_addr_t low_ram_size; 266 267 if (!cpu_model) { 268 cpu_model = "cortex-a9"; 269 } 270 271 if (ram_size > 0x40000000) { 272 /* 1GB is the maximum the address space permits */ 273 fprintf(stderr, "vexpress-a9: cannot model more than 1GB RAM\n"); 274 exit(1); 275 } 276 277 memory_region_allocate_system_memory(ram, NULL, "vexpress.highmem", 278 ram_size); 279 low_ram_size = ram_size; 280 if (low_ram_size > 0x4000000) { 281 low_ram_size = 0x4000000; 282 } 283 /* RAM is from 0x60000000 upwards. The bottom 64MB of the 284 * address space should in theory be remappable to various 285 * things including ROM or RAM; we always map the RAM there. 286 */ 287 memory_region_init_alias(lowram, NULL, "vexpress.lowmem", ram, 0, low_ram_size); 288 memory_region_add_subregion(sysmem, 0x0, lowram); 289 memory_region_add_subregion(sysmem, 0x60000000, ram); 290 291 /* 0x1e000000 A9MPCore (SCU) private memory region */ 292 init_cpus(cpu_model, "a9mpcore_priv", 0x1e000000, pic, vms->secure); 293 294 /* Daughterboard peripherals : 0x10020000 .. 0x20000000 */ 295 296 /* 0x10020000 PL111 CLCD (daughterboard) */ 297 sysbus_create_simple("pl111", 0x10020000, pic[44]); 298 299 /* 0x10060000 AXI RAM */ 300 /* 0x100e0000 PL341 Dynamic Memory Controller */ 301 /* 0x100e1000 PL354 Static Memory Controller */ 302 /* 0x100e2000 System Configuration Controller */ 303 304 sysbus_create_simple("sp804", 0x100e4000, pic[48]); 305 /* 0x100e5000 SP805 Watchdog module */ 306 /* 0x100e6000 BP147 TrustZone Protection Controller */ 307 /* 0x100e9000 PL301 'Fast' AXI matrix */ 308 /* 0x100ea000 PL301 'Slow' AXI matrix */ 309 /* 0x100ec000 TrustZone Address Space Controller */ 310 /* 0x10200000 CoreSight debug APB */ 311 /* 0x1e00a000 PL310 L2 Cache Controller */ 312 sysbus_create_varargs("l2x0", 0x1e00a000, NULL); 313 } 314 315 /* Voltage values for SYS_CFG_VOLT daughterboard registers; 316 * values are in microvolts. 317 */ 318 static const uint32_t a9_voltages[] = { 319 1000000, /* VD10 : 1.0V : SoC internal logic voltage */ 320 1000000, /* VD10_S2 : 1.0V : PL310, L2 cache, RAM, non-PL310 logic */ 321 1000000, /* VD10_S3 : 1.0V : Cortex-A9, cores, MPEs, SCU, PL310 logic */ 322 1800000, /* VCC1V8 : 1.8V : DDR2 SDRAM, test chip DDR2 I/O supply */ 323 900000, /* DDR2VTT : 0.9V : DDR2 SDRAM VTT termination voltage */ 324 3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */ 325 }; 326 327 /* Reset values for daughterboard oscillators (in Hz) */ 328 static const uint32_t a9_clocks[] = { 329 45000000, /* AMBA AXI ACLK: 45MHz */ 330 23750000, /* daughterboard CLCD clock: 23.75MHz */ 331 66670000, /* Test chip reference clock: 66.67MHz */ 332 }; 333 334 static VEDBoardInfo a9_daughterboard = { 335 .motherboard_map = motherboard_legacy_map, 336 .loader_start = 0x60000000, 337 .gic_cpu_if_addr = 0x1e000100, 338 .proc_id = 0x0c000191, 339 .num_voltage_sensors = ARRAY_SIZE(a9_voltages), 340 .voltages = a9_voltages, 341 .num_clocks = ARRAY_SIZE(a9_clocks), 342 .clocks = a9_clocks, 343 .init = a9_daughterboard_init, 344 }; 345 346 static void a15_daughterboard_init(const VexpressMachineState *vms, 347 ram_addr_t ram_size, 348 const char *cpu_model, 349 qemu_irq *pic) 350 { 351 MemoryRegion *sysmem = get_system_memory(); 352 MemoryRegion *ram = g_new(MemoryRegion, 1); 353 MemoryRegion *sram = g_new(MemoryRegion, 1); 354 355 if (!cpu_model) { 356 cpu_model = "cortex-a15"; 357 } 358 359 { 360 /* We have to use a separate 64 bit variable here to avoid the gcc 361 * "comparison is always false due to limited range of data type" 362 * warning if we are on a host where ram_addr_t is 32 bits. 363 */ 364 uint64_t rsz = ram_size; 365 if (rsz > (30ULL * 1024 * 1024 * 1024)) { 366 fprintf(stderr, "vexpress-a15: cannot model more than 30GB RAM\n"); 367 exit(1); 368 } 369 } 370 371 memory_region_allocate_system_memory(ram, NULL, "vexpress.highmem", 372 ram_size); 373 /* RAM is from 0x80000000 upwards; there is no low-memory alias for it. */ 374 memory_region_add_subregion(sysmem, 0x80000000, ram); 375 376 /* 0x2c000000 A15MPCore private memory region (GIC) */ 377 init_cpus(cpu_model, "a15mpcore_priv", 0x2c000000, pic, vms->secure); 378 379 /* A15 daughterboard peripherals: */ 380 381 /* 0x20000000: CoreSight interfaces: not modelled */ 382 /* 0x2a000000: PL301 AXI interconnect: not modelled */ 383 /* 0x2a420000: SCC: not modelled */ 384 /* 0x2a430000: system counter: not modelled */ 385 /* 0x2b000000: HDLCD controller: not modelled */ 386 /* 0x2b060000: SP805 watchdog: not modelled */ 387 /* 0x2b0a0000: PL341 dynamic memory controller: not modelled */ 388 /* 0x2e000000: system SRAM */ 389 memory_region_init_ram(sram, NULL, "vexpress.a15sram", 0x10000, 390 &error_fatal); 391 vmstate_register_ram_global(sram); 392 memory_region_add_subregion(sysmem, 0x2e000000, sram); 393 394 /* 0x7ffb0000: DMA330 DMA controller: not modelled */ 395 /* 0x7ffd0000: PL354 static memory controller: not modelled */ 396 } 397 398 static const uint32_t a15_voltages[] = { 399 900000, /* Vcore: 0.9V : CPU core voltage */ 400 }; 401 402 static const uint32_t a15_clocks[] = { 403 60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */ 404 0, /* OSCCLK1: reserved */ 405 0, /* OSCCLK2: reserved */ 406 0, /* OSCCLK3: reserved */ 407 40000000, /* OSCCLK4: 40MHz : external AXI master clock */ 408 23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */ 409 50000000, /* OSCCLK6: 50MHz : static memory controller clock */ 410 60000000, /* OSCCLK7: 60MHz : SYSCLK reference */ 411 40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */ 412 }; 413 414 static VEDBoardInfo a15_daughterboard = { 415 .motherboard_map = motherboard_aseries_map, 416 .loader_start = 0x80000000, 417 .gic_cpu_if_addr = 0x2c002000, 418 .proc_id = 0x14000237, 419 .num_voltage_sensors = ARRAY_SIZE(a15_voltages), 420 .voltages = a15_voltages, 421 .num_clocks = ARRAY_SIZE(a15_clocks), 422 .clocks = a15_clocks, 423 .init = a15_daughterboard_init, 424 }; 425 426 static int add_virtio_mmio_node(void *fdt, uint32_t acells, uint32_t scells, 427 hwaddr addr, hwaddr size, uint32_t intc, 428 int irq) 429 { 430 /* Add a virtio_mmio node to the device tree blob: 431 * virtio_mmio@ADDRESS { 432 * compatible = "virtio,mmio"; 433 * reg = <ADDRESS, SIZE>; 434 * interrupt-parent = <&intc>; 435 * interrupts = <0, irq, 1>; 436 * } 437 * (Note that the format of the interrupts property is dependent on the 438 * interrupt controller that interrupt-parent points to; these are for 439 * the ARM GIC and indicate an SPI interrupt, rising-edge-triggered.) 440 */ 441 int rc; 442 char *nodename = g_strdup_printf("/virtio_mmio@%" PRIx64, addr); 443 444 rc = qemu_fdt_add_subnode(fdt, nodename); 445 rc |= qemu_fdt_setprop_string(fdt, nodename, 446 "compatible", "virtio,mmio"); 447 rc |= qemu_fdt_setprop_sized_cells(fdt, nodename, "reg", 448 acells, addr, scells, size); 449 qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", intc); 450 qemu_fdt_setprop_cells(fdt, nodename, "interrupts", 0, irq, 1); 451 g_free(nodename); 452 if (rc) { 453 return -1; 454 } 455 return 0; 456 } 457 458 static uint32_t find_int_controller(void *fdt) 459 { 460 /* Find the FDT node corresponding to the interrupt controller 461 * for virtio-mmio devices. We do this by scanning the fdt for 462 * a node with the right compatibility, since we know there is 463 * only one GIC on a vexpress board. 464 * We return the phandle of the node, or 0 if none was found. 465 */ 466 const char *compat = "arm,cortex-a9-gic"; 467 int offset; 468 469 offset = fdt_node_offset_by_compatible(fdt, -1, compat); 470 if (offset >= 0) { 471 return fdt_get_phandle(fdt, offset); 472 } 473 return 0; 474 } 475 476 static void vexpress_modify_dtb(const struct arm_boot_info *info, void *fdt) 477 { 478 uint32_t acells, scells, intc; 479 const VEDBoardInfo *daughterboard = (const VEDBoardInfo *)info; 480 481 acells = qemu_fdt_getprop_cell(fdt, "/", "#address-cells"); 482 scells = qemu_fdt_getprop_cell(fdt, "/", "#size-cells"); 483 intc = find_int_controller(fdt); 484 if (!intc) { 485 /* Not fatal, we just won't provide virtio. This will 486 * happen with older device tree blobs. 487 */ 488 fprintf(stderr, "QEMU: warning: couldn't find interrupt controller in " 489 "dtb; will not include virtio-mmio devices in the dtb.\n"); 490 } else { 491 int i; 492 const hwaddr *map = daughterboard->motherboard_map; 493 494 /* We iterate backwards here because adding nodes 495 * to the dtb puts them in last-first. 496 */ 497 for (i = NUM_VIRTIO_TRANSPORTS - 1; i >= 0; i--) { 498 add_virtio_mmio_node(fdt, acells, scells, 499 map[VE_VIRTIO] + 0x200 * i, 500 0x200, intc, 40 + i); 501 } 502 } 503 } 504 505 506 /* Open code a private version of pflash registration since we 507 * need to set non-default device width for VExpress platform. 508 */ 509 static pflash_t *ve_pflash_cfi01_register(hwaddr base, const char *name, 510 DriveInfo *di) 511 { 512 DeviceState *dev = qdev_create(NULL, "cfi.pflash01"); 513 514 if (di) { 515 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(di), 516 &error_abort); 517 } 518 519 qdev_prop_set_uint32(dev, "num-blocks", 520 VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE); 521 qdev_prop_set_uint64(dev, "sector-length", VEXPRESS_FLASH_SECT_SIZE); 522 qdev_prop_set_uint8(dev, "width", 4); 523 qdev_prop_set_uint8(dev, "device-width", 2); 524 qdev_prop_set_bit(dev, "big-endian", false); 525 qdev_prop_set_uint16(dev, "id0", 0x89); 526 qdev_prop_set_uint16(dev, "id1", 0x18); 527 qdev_prop_set_uint16(dev, "id2", 0x00); 528 qdev_prop_set_uint16(dev, "id3", 0x00); 529 qdev_prop_set_string(dev, "name", name); 530 qdev_init_nofail(dev); 531 532 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); 533 return OBJECT_CHECK(pflash_t, (dev), "cfi.pflash01"); 534 } 535 536 static void vexpress_common_init(MachineState *machine) 537 { 538 VexpressMachineState *vms = VEXPRESS_MACHINE(machine); 539 VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine); 540 VEDBoardInfo *daughterboard = vmc->daughterboard; 541 DeviceState *dev, *sysctl, *pl041; 542 qemu_irq pic[64]; 543 uint32_t sys_id; 544 DriveInfo *dinfo; 545 pflash_t *pflash0; 546 ram_addr_t vram_size, sram_size; 547 MemoryRegion *sysmem = get_system_memory(); 548 MemoryRegion *vram = g_new(MemoryRegion, 1); 549 MemoryRegion *sram = g_new(MemoryRegion, 1); 550 MemoryRegion *flashalias = g_new(MemoryRegion, 1); 551 MemoryRegion *flash0mem; 552 const hwaddr *map = daughterboard->motherboard_map; 553 int i; 554 555 daughterboard->init(vms, machine->ram_size, machine->cpu_model, pic); 556 557 /* 558 * If a bios file was provided, attempt to map it into memory 559 */ 560 if (bios_name) { 561 char *fn; 562 int image_size; 563 564 if (drive_get(IF_PFLASH, 0, 0)) { 565 error_report("The contents of the first flash device may be " 566 "specified with -bios or with -drive if=pflash... " 567 "but you cannot use both options at once"); 568 exit(1); 569 } 570 fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 571 if (!fn) { 572 error_report("Could not find ROM image '%s'", bios_name); 573 exit(1); 574 } 575 image_size = load_image_targphys(fn, map[VE_NORFLASH0], 576 VEXPRESS_FLASH_SIZE); 577 g_free(fn); 578 if (image_size < 0) { 579 error_report("Could not load ROM image '%s'", bios_name); 580 exit(1); 581 } 582 } 583 584 /* Motherboard peripherals: the wiring is the same but the 585 * addresses vary between the legacy and A-Series memory maps. 586 */ 587 588 sys_id = 0x1190f500; 589 590 sysctl = qdev_create(NULL, "realview_sysctl"); 591 qdev_prop_set_uint32(sysctl, "sys_id", sys_id); 592 qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id); 593 qdev_prop_set_uint32(sysctl, "len-db-voltage", 594 daughterboard->num_voltage_sensors); 595 for (i = 0; i < daughterboard->num_voltage_sensors; i++) { 596 char *propname = g_strdup_printf("db-voltage[%d]", i); 597 qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]); 598 g_free(propname); 599 } 600 qdev_prop_set_uint32(sysctl, "len-db-clock", 601 daughterboard->num_clocks); 602 for (i = 0; i < daughterboard->num_clocks; i++) { 603 char *propname = g_strdup_printf("db-clock[%d]", i); 604 qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]); 605 g_free(propname); 606 } 607 qdev_init_nofail(sysctl); 608 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]); 609 610 /* VE_SP810: not modelled */ 611 /* VE_SERIALPCI: not modelled */ 612 613 pl041 = qdev_create(NULL, "pl041"); 614 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); 615 qdev_init_nofail(pl041); 616 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]); 617 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]); 618 619 dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL); 620 /* Wire up MMC card detect and read-only signals */ 621 qdev_connect_gpio_out(dev, 0, 622 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT)); 623 qdev_connect_gpio_out(dev, 1, 624 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN)); 625 626 sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]); 627 sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]); 628 629 sysbus_create_simple("pl011", map[VE_UART0], pic[5]); 630 sysbus_create_simple("pl011", map[VE_UART1], pic[6]); 631 sysbus_create_simple("pl011", map[VE_UART2], pic[7]); 632 sysbus_create_simple("pl011", map[VE_UART3], pic[8]); 633 634 sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]); 635 sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]); 636 637 /* VE_SERIALDVI: not modelled */ 638 639 sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */ 640 641 /* VE_COMPACTFLASH: not modelled */ 642 643 sysbus_create_simple("pl111", map[VE_CLCD], pic[14]); 644 645 dinfo = drive_get_next(IF_PFLASH); 646 pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0", 647 dinfo); 648 if (!pflash0) { 649 fprintf(stderr, "vexpress: error registering flash 0.\n"); 650 exit(1); 651 } 652 653 if (map[VE_NORFLASHALIAS] != -1) { 654 /* Map flash 0 as an alias into low memory */ 655 flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0); 656 memory_region_init_alias(flashalias, NULL, "vexpress.flashalias", 657 flash0mem, 0, VEXPRESS_FLASH_SIZE); 658 memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias); 659 } 660 661 dinfo = drive_get_next(IF_PFLASH); 662 if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1", 663 dinfo)) { 664 fprintf(stderr, "vexpress: error registering flash 1.\n"); 665 exit(1); 666 } 667 668 sram_size = 0x2000000; 669 memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size, 670 &error_fatal); 671 vmstate_register_ram_global(sram); 672 memory_region_add_subregion(sysmem, map[VE_SRAM], sram); 673 674 vram_size = 0x800000; 675 memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size, 676 &error_fatal); 677 vmstate_register_ram_global(vram); 678 memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram); 679 680 /* 0x4e000000 LAN9118 Ethernet */ 681 if (nd_table[0].used) { 682 lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]); 683 } 684 685 /* VE_USB: not modelled */ 686 687 /* VE_DAPROM: not modelled */ 688 689 /* Create mmio transports, so the user can create virtio backends 690 * (which will be automatically plugged in to the transports). If 691 * no backend is created the transport will just sit harmlessly idle. 692 */ 693 for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) { 694 sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i, 695 pic[40 + i]); 696 } 697 698 daughterboard->bootinfo.ram_size = machine->ram_size; 699 daughterboard->bootinfo.kernel_filename = machine->kernel_filename; 700 daughterboard->bootinfo.kernel_cmdline = machine->kernel_cmdline; 701 daughterboard->bootinfo.initrd_filename = machine->initrd_filename; 702 daughterboard->bootinfo.nb_cpus = smp_cpus; 703 daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID; 704 daughterboard->bootinfo.loader_start = daughterboard->loader_start; 705 daughterboard->bootinfo.smp_loader_start = map[VE_SRAM]; 706 daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30; 707 daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr; 708 daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb; 709 /* Indicate that when booting Linux we should be in secure state */ 710 daughterboard->bootinfo.secure_boot = true; 711 arm_load_kernel(ARM_CPU(first_cpu), &daughterboard->bootinfo); 712 } 713 714 static bool vexpress_get_secure(Object *obj, Error **errp) 715 { 716 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 717 718 return vms->secure; 719 } 720 721 static void vexpress_set_secure(Object *obj, bool value, Error **errp) 722 { 723 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 724 725 vms->secure = value; 726 } 727 728 static void vexpress_instance_init(Object *obj) 729 { 730 VexpressMachineState *vms = VEXPRESS_MACHINE(obj); 731 732 /* EL3 is enabled by default on vexpress */ 733 vms->secure = true; 734 object_property_add_bool(obj, "secure", vexpress_get_secure, 735 vexpress_set_secure, NULL); 736 object_property_set_description(obj, "secure", 737 "Set on/off to enable/disable the ARM " 738 "Security Extensions (TrustZone)", 739 NULL); 740 } 741 742 static void vexpress_class_init(ObjectClass *oc, void *data) 743 { 744 MachineClass *mc = MACHINE_CLASS(oc); 745 746 mc->desc = "ARM Versatile Express"; 747 mc->init = vexpress_common_init; 748 mc->block_default_type = IF_SCSI; 749 mc->max_cpus = 4; 750 } 751 752 static void vexpress_a9_class_init(ObjectClass *oc, void *data) 753 { 754 MachineClass *mc = MACHINE_CLASS(oc); 755 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 756 757 mc->desc = "ARM Versatile Express for Cortex-A9"; 758 759 vmc->daughterboard = &a9_daughterboard; 760 } 761 762 static void vexpress_a15_class_init(ObjectClass *oc, void *data) 763 { 764 MachineClass *mc = MACHINE_CLASS(oc); 765 VexpressMachineClass *vmc = VEXPRESS_MACHINE_CLASS(oc); 766 767 mc->desc = "ARM Versatile Express for Cortex-A15"; 768 769 vmc->daughterboard = &a15_daughterboard; 770 } 771 772 static const TypeInfo vexpress_info = { 773 .name = TYPE_VEXPRESS_MACHINE, 774 .parent = TYPE_MACHINE, 775 .abstract = true, 776 .instance_size = sizeof(VexpressMachineState), 777 .instance_init = vexpress_instance_init, 778 .class_size = sizeof(VexpressMachineClass), 779 .class_init = vexpress_class_init, 780 }; 781 782 static const TypeInfo vexpress_a9_info = { 783 .name = TYPE_VEXPRESS_A9_MACHINE, 784 .parent = TYPE_VEXPRESS_MACHINE, 785 .class_init = vexpress_a9_class_init, 786 }; 787 788 static const TypeInfo vexpress_a15_info = { 789 .name = TYPE_VEXPRESS_A15_MACHINE, 790 .parent = TYPE_VEXPRESS_MACHINE, 791 .class_init = vexpress_a15_class_init, 792 }; 793 794 static void vexpress_machine_init(void) 795 { 796 type_register_static(&vexpress_info); 797 type_register_static(&vexpress_a9_info); 798 type_register_static(&vexpress_a15_info); 799 } 800 801 machine_init(vexpress_machine_init); 802